Here's what it's like to attend VidCon – a digital-themed paradise for 20,000 teenagers

YouTuber Meghan Camarena (right) makes funny faces with a fan at VidCon.
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VidCon, a YouTube-sponsored annual convention that unites the stars with thousands of teenaged fans, is like a boy-band concert on acid.

Flocks of shrieking teeny-boppers and their reluctant parents descended on Anaheim, California, for the chance to pose for selfies with their favorite internet celebrities, attend workshops on digital content creation, meet people their age, and pose for more selfies.

Instagram had an Emoji-themed ball pit to celebrate its new Emoji hashtag feature.

Truly, Taco Bell had the coolest booth at VidCon. Its exhibit resembled a board game, with stations that prompted you to take pictures with props made famous by YouTubers.

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The game culminated in a bracelet-making station. Participants stamped letters onto a piece of metal and strung it on a cord.

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It was a big hit.

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Jimmy Kimmel's sidekick Guillermo manned the ABC booth.

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Of course, it wouldn't be VidCon without the YouTube stars. Some attendees spent a majority of their time in line for meet-ups with their favorite internet personalities.

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Meghan Camarena, also known by her YouTuber name Strawburry17, drew a massive crowd of teen girls.

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Nothing I saw topped the mob that swarmed Vine star Matt Espinosa. He attempted to walk around the showroom floor in an old-man disguise, but was quickly discovered by fans, who then chased him out the door.

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Once you meet the stars, you can buy their merch.

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At the back of the showroom, celebrities took to the stage for interviews and AMAs. It was easy to tell when someone walked on, because the roaring fans echoed throughout the showroom.

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Cell phones appeared to be an extension of every girl's arm. Because what happens at VidCon, stays on the internet forever.

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We'll continue to update this slideshow throughout the weekend as we discover more cool things to do at VidCon ...